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22248240269 = 211011054369
BaseRepresentation
bin10100101110000110…
…010011010010001101
32010102111222201002212
4110232012103102031
5331031022142034
614115401000205
71415221631153
oct245606232215
963374881085
1022248240269
119487608232
12438aa83065
1321373c9718
141110b1d3d3
158a33162ce
hex52e19348d

22248240269 has 4 divisors (see below), whose sum is σ = 22249315740. Its totient is φ = 22247164800.

The previous prime is 22248240251. The next prime is 22248240317. The reversal of 22248240269 is 96204284222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7403742025 + 14844498244 = 86045^2 + 121838^2 .

It is a cyclic number.

It is not a de Polignac number, because 22248240269 - 224 = 22231463053 is a prime.

It is a super-2 number, since 2×222482402692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248240569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506084 + ... + 548285.

It is an arithmetic number, because the mean of its divisors is an integer number (5562328935).

Almost surely, 222248240269 is an apocalyptic number.

It is an amenable number.

22248240269 is a deficient number, since it is larger than the sum of its proper divisors (1075471).

22248240269 is a wasteful number, since it uses less digits than its factorization.

22248240269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075470.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 22248240269 in words is "twenty-two billion, two hundred forty-eight million, two hundred forty thousand, two hundred sixty-nine".

Divisors: 1 21101 1054369 22248240269