222212257371487 has 2 divisors, whose sum is σ = 222212257371488. Its totient is φ = 222212257371486.

The previous prime is 222212257371439. The next prime is 222212257371493. The reversal of 222212257371487 is 784173752212222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222212257371487 is a prime.

It is a super-2 number, since 2×222212257371487² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222212254371487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106128685743 + 111106128685744.

It is an arithmetic number, because the mean of its divisors is an integer number (111106128685744).

Almost surely, 2^{222212257371487} is an apocalyptic number.

222212257371487 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212257371487 is an equidigital number, since it uses as much as digits as its factorization.

222212257371487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10536960, while the sum is 55.

The spelling of 222212257371487 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred fifty-seven million, three hundred seventy-one thousand, four hundred eighty-seven".