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1022430404 = 22255607601
BaseRepresentation
bin111100111100010…
…000110011000100
32122020212211211202
4330330100303010
54043220233104
6245242122032
734223341442
oct7474206304
92566784752
101022430404
11485154106
122464b0318
13133a91908
1499b09b92
155eb6251e
hex3cf10cc4

1022430404 has 6 divisors (see below), whose sum is σ = 1789253214. Its totient is φ = 511215200.

The previous prime is 1022430397. The next prime is 1022430443. The reversal of 1022430404 is 4040342201.

It can be written as a sum of positive squares in only one way, i.e., 620508100 + 401922304 = 24910^2 + 20048^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127803797 + ... + 127803804.

It is an arithmetic number, because the mean of its divisors is an integer number (298208869).

Almost surely, 21022430404 is an apocalyptic number.

It is an amenable number.

1022430404 is a deficient number, since it is larger than the sum of its proper divisors (766822810).

1022430404 is a wasteful number, since it uses less digits than its factorization.

1022430404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255607605 (or 255607603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1022430404 is about 31975.4656572817. The cubic root of 1022430404 is about 1007.4215851471.

Adding to 1022430404 its reverse (4040342201), we get a palindrome (5062772605).

The spelling of 1022430404 in words is "one billion, twenty-two million, four hundred thirty thousand, four hundred four".

Divisors: 1 2 4 255607601 511215202 1022430404