22061621364263 has 16 divisors (see below), whose sum is σ = 24820382361600. Its totient is φ = 19456585652064.

The previous prime is 22061621364253. The next prime is 22061621364283. The reversal of 22061621364263 is 36246312616022.

It is a cyclic number.

It is not a de Polignac number, because 22061621364263 - 2⁸ = 22061621364007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061621364253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42490913 + ... + 43006986.

It is an arithmetic number, because the mean of its divisors is an integer number (1551273897600).

Almost surely, 2^{22061621364263} is an apocalyptic number.

22061621364263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22061621364263 is a deficient number, since it is larger than the sum of its proper divisors (2758760997337).

22061621364263 is a wasteful number, since it uses less digits than its factorization.

22061621364263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85498798.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 22061621364263 in words is "twenty-two trillion, sixty-one billion, six hundred twenty-one million, three hundred sixty-four thousand, two hundred sixty-three".