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1022224541 = 13891376449
BaseRepresentation
bin111100111011011…
…110100010011101
32122020111101110012
4330323132202131
54043142141131
6245233453005
734221523322
oct7473364235
92566441405
101022224541
11485023478
12246411165
13133a1bcc0
1499a94b49
155eb2152b
hex3cede89d

1022224541 has 16 divisors (see below), whose sum is σ = 1121526000. Its totient is φ = 926035968.

The previous prime is 1022224531. The next prime is 1022224579. The reversal of 1022224541 is 1454222201.

It can be written as a sum of positive squares in 8 ways, for example, as 143641 + 1022080900 = 379^2 + 31970^2 .

It is not a de Polignac number, because 1022224541 - 214 = 1022208157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022224531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155285 + ... + 161733.

It is an arithmetic number, because the mean of its divisors is an integer number (70095375).

Almost surely, 21022224541 is an apocalyptic number.

It is an amenable number.

1022224541 is a deficient number, since it is larger than the sum of its proper divisors (99301459).

1022224541 is a wasteful number, since it uses less digits than its factorization.

1022224541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6688.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1022224541 is about 31972.2464177918. The cubic root of 1022224541 is about 1007.3539669341.

Adding to 1022224541 its reverse (1454222201), we get a palindrome (2476446742).

The spelling of 1022224541 in words is "one billion, twenty-two million, two hundred twenty-four thousand, five hundred forty-one".

Divisors: 1 13 89 137 1157 1781 6449 12193 83837 158509 573961 883513 7461493 11485669 78632657 1022224541